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Puzzles (3 cohencoins award for each match):

Puzzle MYY3M: 999999999

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/QQILod3n"] [Date "2025.11.18"] [White "Drew"] [Black "Masterwill"] [Result "0-1"] [UTCDate "2025.11.18"] [UTCTime "00:18:29"] [WhiteElo "1662"] [BlackElo "1495"] [WhiteRatingDiff "-14"] [BlackRatingDiff "+19"] [WhiteTitle "GM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B20"] [Opening "Sicilian Defense: Bowdler Attack"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 c5 2. Bc4 { B20 Sicilian Defense: Bowdler Attack } d6 3. Nc3 Nf6 4. Nf3 g6?! { (0.07 → 0.76) Inaccuracy. e6 was best. } (4... e6 5. d4 cxd4 6. Nxd4 a6 7. a4 Be7 8. O-O O-O 9. a5 d5 10. exd5 exd5 11. Bb3) 5. h4? { (0.76 → -0.31) Mistake. e5 was best. } (5. e5 dxe5 6. Nxe5 e6 7. Qf3 Bg7 8. Bb5+ Nbd7 9. Bxd7+ Bxd7 10. Qxb7 O-O 11. d3 Qc8) 5... Bg7 6. h5 O-O? { (-0.10 → 1.12) Mistake. Nxh5 was best. } (6... Nxh5 7. Ng5) 7. h6? { (1.12 → -0.06) Mistake. hxg6 was best. } (7. hxg6 hxg6) 7... Bh8 8. Nd5?? { (-0.03 → -1.97) Blunder. Ng5 was best. } (8. Ng5 Nc6 9. d3 Bg4 10. f3 Bd7 11. a4 a6 12. g4 Nd4 13. O-O b5 14. axb5 axb5) 8... Nxe4 9. Qe2?! { (-1.95 → -2.91) Inaccuracy. d3 was best. } (9. d3 Nf6) 9... f5?? { (-2.91 → Mate in 1) Checkmate is now unavoidable. e6 was best. } (9... e6) 10. b3?? { (Mate in 1 → -5.74) Lost forced checkmate sequence. Nf6# was best. } (10. Nf6#) 10... e6 11. Nc3 b5?! { (-7.31 → -5.18) Inaccuracy. d5 was best. } (11... d5 12. Bb2) 12. Nxe4?! { (-5.18 → -7.64) Inaccuracy. Bxb5 was best. } (12. Bxb5 Nxc3) 12... Bxa1 13. Bxb5 fxe4 14. Qxe4 d5 15. Qe3 a6 16. Bc6?! { (-5.98 → -9.74) Inaccuracy. Be2 was best. } (16. Be2 Bf6 17. O-O Nc6 18. Ba3 Re8 19. Bxc5 e5 20. c4 Be6 21. Re1 e4 22. Nd4 Nxd4) 16... Nxc6 17. c3 d4 18. Qe4 Bb7 19. Qxe6+ Kh8 20. d3 dxc3 21. Ng5 c2 22. Nf7+ Rxf7 23. Qxf7 Bc3+ 24. Kf1 Qxd3+ 25. Kg1 Be5 26. Qxb7?! { (-14.07 → Mate in 1) Checkmate is now unavoidable. f4 was best. } (26. f4 Qd1+ 27. Kh2 Qh5+ 28. Kg3 Qg5+ 29. Kf2 Bd4+ 30. Be3 Bxe3+ 31. Kxe3 c1=Q+ 32. Rxc1 Qg3+) 26... Qd1# { Black wins by checkmate. } 0-1
Computer analysisMove timesCrosstableFEN & PGN
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